scholarly journals MAINTAINING NATURAL WATER TEMPERATURE REGIME FOR PROTECTING AQUATIC LIFE

2003 ◽  
Vol 31 ◽  
pp. 159-168
Author(s):  
Guangwei HUANG ◽  
Takashi IZUMIYA
Keyword(s):  
Water Temperature ◽  
Temperature Regime ◽  
Natural Water ◽  
Aquatic Life

scholarly journals Impact of Observed and Controlled Water Intake on Reticulorumen Temperature in Lactating Dairy Cattle

Animals ◽  
2018 ◽  
Vol 8 (11) ◽  
pp. 194 ◽  
Author(s):  
Melissa Cantor ◽  
Joao Costa ◽  
Jeffrey Bewley
Keyword(s):  
Observational Study ◽  
Dairy Cattle ◽  
Water Temperature ◽  
Water Intake ◽  
Natural Water ◽  
Core Body Temperature ◽  
Latin Square ◽  
Water Quantity ◽  
Time Required ◽  
Water Meters

Dairy precision technologies helps producers monitor individual animals. Reticulorumen temperature boluses are a way to monitor core body temperature; however, factors such as water intake affects reticulorumen temperature. This research determined the effect of natural water intake and a controlled water drench on reticulorumen temperature (RT) in dairy cattle. In observational study part 1, tie- stall cows (n = 4) with RT transponders were observed for natural water intake (recorded by in line water meters) for 48 h. In experiment part 2, a randomized Latin square design with cows (n = 12) restricted on feed for 4 h, were drenched daily with a water quantity of 6.7 L, 11.4 L or 22.7 L, and at controlled water temperature of 1.7 °C, 7.2 °C, 15.5 °C, or 29.4 °C. Descriptively, observational study 1 had (Mean ± SD 0.27 ± 0.31 L ingested per drinking event (n = 84) and RT decline from baseline was 2.29 ± 1.82 °C. For the experiment, a 48-h specific rolling baseline temperature range (BTR) was calculated for each cow prior to the experiment to determine time required for RT to reach BTR, and time to return to BTR. In part 2 of the experiment, as water quantity increased, RT had a greater maximum degree drop from baseline. Water temperature and water quantity interaction influenced time required for BTR to reestablish. The coldest water temperature at the highest drench quantity affected time for BTR to reestablish the longest (103 min). Results from this study suggest that an algorithm could be designed to predict water intake events for producers using reticulorumen temperature.

scholarly journals Influence of beech forests fragmentation of Stilsky Hillside on their microclimatic parameters

2020 ◽  
pp. 81-88
Author(s):  
Oleg Оrlov ◽  
Maryna Ragulina
Keyword(s):  
Water Temperature ◽  
Edge Effect ◽  
Temperature Regime ◽  
Biodiversity Loss ◽  
Beech Forests ◽  
Small Areas ◽  
Regime Changes ◽  
Interior Forest ◽  
Floristic Structure ◽  
Sensitive Marker

Estimation of changes in the microclimatic parameters of beech forests of the Stilsky Hillside, by measuring the water-temperature indicators of the soil regime and bryoindication, were performed. Fragmentation of forest causes significant changes in microclimatic parameters in bondary habitats areas, which leads to both biodiversity loss and a decrease of the unchanged forest areas. In fragmented beech forests, the influence of the edge effect on the water-temperature regime of soils is observed within a distance of 20-40 meters, but the eco-floristic structure of nemoral moss vegetation is stabilized only at a distance from 160 m. Thus, bryobiontes are a shown to be a sensitive marker of the microclimatic regime changes in a fragmented ecosystem. In the studied beeches Metzgeria furcata, Radula complanata, Anomodon attenuatus, A. viticulosus, Cirriphyllum crassinervium are indicators of the "interior forest". The determined amplitude of the edge effect indicates the fragmentation as a crucial factor on the small areas of forest and its role in the loss of climate-sensitive groups of biota, primarily mosses.

Untersuchungen zur Jahresperiodik der Fortpflanzung beim miinnlichen Kammolch, Triturus cristatus cristatus Laurenti, in Abhiingigkeit von Photoperiode und Wassertemperatur

1984 ◽  
Vol 5 (3-4) ◽  
pp. 231-243 ◽  
Author(s):  
Jörg Steinborn
Keyword(s):  
Water Temperature ◽  
Natural Water ◽  
Reproductive Period ◽  
Mature Sperm ◽  
Testis Weight ◽  
Triturus Cristatus ◽  
Gonadal Activity ◽  
Annual Periodicity ◽  
Short Days

Under natural photoperiodic conditions and natural water temperatures, the spermatogenesis and testis cycle of Triturus cristatus cristatus exhibits a clear annual periodicity with one reproductive period extending from the end of April to the middle of June. This cycle can be divided into three different phases: 1 ) progression with expulsion of ripe sperma and subsequent spermatocytogenesis ; 2) regeneration with spermiohistogenesis and maximum testis' weight; 3) gonadal resting phase. An advance of gonadal activity in winter with premature expulsion of mature sperm a was only possible in LD 16 : 8 at 20 ± 1°C water temperature; complete spermatogenesis can occur after the middle of February. In the winter and summer, water temperature of 11 ± 1°C combined with long days, LD 12 : 12 , or with short days prevent any gonadal activity. Therefore, water temperature of 20 ± 1°C, combined with long days, are a prerequisite for adequate hypothalamus-hypophysis-gonad-activity. In a year's study with LD 16 : 8 at 20 ± 1°C water temperature, a more or less pronounced spermiahistogenetic activity without expulsion of sperma was observed.

scholarly journals Dynamics of Bothryocephalus sp. Infection in Fry and Fingerling of Carp in Warm-Water Cage Culture Fishery at Natural Water Temperature

2019 ◽  
Vol 13 (4) ◽  
pp. 67-71
Author(s):  
Dmitry P. Skachkov ◽  
◽  
Yuri A. Pukhovsky ◽  
Valery T. Orlov ◽  
◽  
...  
Keyword(s):  
Water Temperature ◽  
Natural Water ◽  
Warm Water ◽  
Cage Culture

Analysis of the water temperature regime of the Danube and its tributaries in Croatia

2008 ◽  
Vol 22 (7) ◽  
pp. 1014-1021 ◽  
Author(s):  
Ognjen Bonacci ◽  
Dušan Trninić ◽  
Tanja Roje-Bonacci
Keyword(s):  
Water Temperature ◽  
Temperature Regime

scholarly journals Temperature regime of the Daginsky thermal springs (Sakhalin Island) during their reconstruction in 2019-2021

2021 ◽  
Vol 946 (1) ◽  
pp. 012032
Author(s):  
R V Zharkov
Keyword(s):  
Water Temperature ◽  
Temperature Regime ◽  
Sakhalin Island ◽  
Thermal Springs ◽  
Surrounding Area ◽  
Bottom Up ◽  
Surrounding Landscape

Abstract The article presents the results of studies of the temperature regime of the Daginsky thermal springs. Daginsky thermal springs are the most famous and visited on Sakhalin Island (Russia). In the fall of 2019, their reconstruction and arrangement of the surrounding landscape began. As a result of the reconstruction of the main thermal springs, their hydrological and temperature regime was violated, the water temperature dropped. In 2020, in the springs most popular with visitors (Aleksandrovsky, Tsentralny, Mechta), the temperature became several degrees lower, which led to the termination of their use. In 2021, after the completion of the design of the spring bath and the surrounding area, the temperatures increased. In April 2021, the temperature of the Patriot spring was 40.5 °C, the Partizan spring 38–39 °C, the Central spring 36–39 °C, the Aleksandrovsky spring 34.6–36.0 °C, the Mechta spring 34.4 °C (at the bottom up to 45.5 °C), Molodost spring 35 °C (at the bottom up to 37–41.3 °C).

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